package net.xdclass.xdvideo.utils;

import com.google.gson.Gson;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * @program: xdvideo
 * @description: 封装http get post
 * @author: rZ
 * @create: 2019-10-29 11:22
 **/
public class HttpUtils {

    private static final Gson gson = new Gson();

    /**
     * get方法
     * @param url
     * @return
     */
    public static Map<String,Object> doGet(String url){
        Map<String,Object> map = new HashMap<>();
        CloseableHttpClient httpClient = HttpClients.createDefault();

        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(5000)//连接超时
                .setConnectionRequestTimeout(5000)//请求超时
                .setSocketTimeout(5000)
                .setRedirectsEnabled(true) //允许自动重定向
                .build();
        HttpGet httpGet = new HttpGet(url);
        httpGet.setConfig(requestConfig);
        try {
            HttpResponse httpResponse = httpClient.execute(httpGet);
            if (httpResponse.getStatusLine().getStatusCode() == 200){
                String jsonResult = EntityUtils.toString(httpResponse.getEntity());
                map = gson.fromJson(jsonResult, map.getClass());
            }
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            try {
                httpClient.close();
            }catch (Exception e){
                e.printStackTrace();
            }
        }
        return map;
    }

    /**
     * 封装post方法
     * @param url 请求地址
     * @param data 参数
     * @param timeout 超时时间
     * @return
     */
    public static String doPost(String url,String data,int timeout){
        CloseableHttpClient httpClient = HttpClients.createDefault();
        //超时设置
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(timeout)//连接超时
                .setConnectionRequestTimeout(timeout)//请求超时
                .setSocketTimeout(timeout)
                .setRedirectsEnabled(true) //允许自动重定向
                .build();

        HttpPost httpPost = new HttpPost(url);
        httpPost.addHeader("Content-Type","text/html;charset=UTF-8");
        httpPost.setConfig(requestConfig);

        if (data !=null && data instanceof String) {//使用字符串传参
            StringEntity stringEntity = new StringEntity(data, "UTF-8");
            httpPost.setEntity(stringEntity);
        }
        try {
            CloseableHttpResponse httpResponse = httpClient.execute(httpPost);
            if (httpResponse.getStatusLine().getStatusCode() == 200){
                String result = EntityUtils.toString(httpResponse.getEntity(),HTTP.UTF_8);
                return result;
            }
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            try {
                httpClient.close();
            }catch (Exception e){
                e.printStackTrace();
            }
        }
        return null;
    }
}
